Marine slide



FIG. 1 is an isometric view from above showing a marine slide embodying the ornamental features of my new design;

FIG. 2 is a top view thereof;

FIG. 3 is an end view thereof; and

FIG. 4 is a bottom view thereof.

The side and end not shown are the same as the side and end shown. 

The ornamental design of a marine slide, substantially as shown and described. 